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Finding the Fourth Proportional to 574,538.22, 792,895.44 and 345,165.66

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Solution

The fourth proportional to 574,538.22, 792,895.44 and 345,165.66 is: 476,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,538.22 : 792,895.44 = 345,165.66 : x
  2. Step 2: Convert to fraction form
    574,538.22/792,895.44 = 345,165.66/x
  3. Step 3: Cross multiply
    574,538.22x = 792,895.44 × 345,165.66
  4. Step 4: Simplify right side
    574,538.22x = 273,680,277,858.59
  5. Step 5: Solve for x
    x = 273,680,277,858.59/574,538.22
  6. Step 6: Final answer
    x = 476,348.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.